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Abstract
The PROMISS trial studies the effect of dietary advice to increasing protein intake on physical function in older adults with a relatively low protein intake, to promote healthy ageing. Part of this 6-months trial is the persuasive technology sub study, in which a tablet application using persuasive communication techniques and a specifically designed foodbox, both used for diet tracking, are provided to 48 participants. In this paper we present the results of our sub study for technology adherence, protein intake, experience of dietary advice and technology, and the effect of gamification on protein knowledge. Our results show that participants positively evaluate the tablet, but negatively evaluate the foodbox. The adherence of tablet users within the trial is high (on average 83% or 133 days), but there are no significant differences in the change of protein intake for our participants, compared to the 41 other participants in the intervention conditions of the trial. Based on these results we conclude that a diet tracking application designed for older adults is a feasible and appreciated tool to use within a dietary intervention study in older persons.
Original language | English |
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Title of host publication | PETRA 2021 |
Subtitle of host publication | The 14th ACM International Conference on PErvasive Technologies Related to Assistive Environments [proceedings] |
Publisher | Association for Computing Machinery |
Pages | 244-251 |
Number of pages | 8 |
ISBN (Electronic) | 9781450387927 |
DOIs | |
Publication status | Published - Jun 2021 |
Event | 14th ACM International Conference on PErvasive Technologies Related to Assistive Environments, PETRA 2021 - Virtual, Online, Greece Duration: 29 Jun 2021 → 1 Jul 2021 |
Publication series
Name | ACM International Conference Proceeding Series |
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Conference
Conference | 14th ACM International Conference on PErvasive Technologies Related to Assistive Environments, PETRA 2021 |
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Country/Territory | Greece |
City | Virtual, Online |
Period | 29/06/21 → 1/07/21 |
Bibliographical note
Funding Information:This work was supported by the European Union Horizon2020 PROMISS Project ‘PRevention Of Malnutrition In Senior Subjects’ (grant agreement no. 678732). We thank the PROMISS trial dietitians: Merel Vrijmoeth, Mariska Bout, and Marjon Veeke.
Publisher Copyright:
© 2021 ACM.
Copyright:
Copyright 2021 Elsevier B.V., All rights reserved.
Funding
Funders | Funder number |
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European Union Horizon2020 | |
Horizon 2020 Framework Programme | 678732 |
Keywords
- diet complience
- evaluation study
- gamification
- older adults
- persuasive technology
- user experience
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- 1 Finished
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PROMISS (PRevention Of Malnutrition In Senior Subjects in Europe)
Klein, M. & van der Lubbe, L.
1/04/16 → 31/07/21
Project: Research